Product Compare
NVIDIA Tesla K20m vs NVIDIA A100 PCIe
| GPU | GPU | |
|---|---|---|
| Graphics Card | ||
| Release Date | Jan 2013 | Jun 2020 |
| Generation | Tesla | Tesla |
| Type | Professional | AI GPU |
| Bus Interface | PCIe 2.0 x16 | PCIe 4.0 x16 |
| Clock Speeds | ||
| Memory Clock | 1300 MHz | 1215 MHz |
| Base Clock | 765 MHz | |
| Boost Clock | 1410 MHz | |
| Memory | ||
| Memory Size | 5GB | 40GB |
| Memory Type | GDDR5 | HBM2e |
| Memory Bus | 320bit | 5120bit |
| Bandwidth | 208.0GB/s | 1555GB/s |
| Render Config | ||
| Shading Units | 2496 | 6912 |
| TMUs | 208 | 432 |
| ROPs | 40 | 160 |
| L1 Cache | 16 KB (per SMX) | 192 KB (per SM) |
| L2 Cache | 1280 KB | 40 MB |
| SM Count | 108 | |
| Tensor Cores | 432 | |
| Theoretical Performance | ||
| Pixel Rate | 36.71 GPixel/s | 225.6 GPixel/s |
| Texture Rate | 146.8 GTexel/s | 609.1 GTexel/s |
| FP32 (float) | 3.524 TFLOPS | 19.49 TFLOPS |
| FP64 (double) | 1175 GFLOPS | 9.746 TFLOPS |
| FP16 (half) | 77.97 TFLOPS | |
| Graphics Processor | ||
| GPU Name | GK110 | GA100 |
| Architecture | Kepler | Ampere |
| Foundry | TSMC | TSMC |
| Process Size | 28 nm | 7 nm |
| Transistors | 7.08 billion | 54.2 billion |
| Die Size | 561 mm² | 826 mm² |
| Board Design | ||
| TDP | 225W | 250W |
| Suggested PSU | 550 W | 600 W |
| Outputs | No outputs | No outputs |
| Power Connectors | 1x 6-pin + 1x 8-pin | 8-pin EPS |
| Graphics Features | ||
| DirectX | 12 (11_0) | N/A |
| OpenGL | 4.6 | N/A |
| OpenCL | 3.0 | 3.0 |
| Vulkan | 1.1 | N/A |
| CUDA | 3.5 | 8.0 |
| Shader Model | 5.1 | N/A |